fitting bicycle seat

What type of car seat/booster do you use for 50 lb child in a minvan with only lap belts in...?

...backseat?
I have a 1988 Dodge Caravan that has only lap belts in the back seats, and a carseat that uses 5-point harness until 40 lbs, then uses shoulder/lap belt combo to secure child. Suggestions?


The Graco Nautilus is what you'll need until other companies step up an make something similar. It has a 5-point harness system for children up to 65 pounds.
They're sold online and at Target, Walmart, Babies R Us and other stores. There are various

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